Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp

Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestampRun #560d7dac0c098Run #560d8088818a3DiffDiff%
Number of Function Calls45 45 0 0.0%
Incl. Wall Time (microsec)1,325 1,160 -165 -12.5%
Incl. Wall Time (microsec) per call 29 26 -4 -12.5%
Excl. Wall Time (microsec)33 31 -2 -6.1%
Incl. MemUse (bytes)1,688 1,688 0 0.0%
Incl. MemUse (bytes) per call 38 38 0 0.0%
Excl. MemUse (bytes)-3,784 -3,784 0 0.0%
Incl. PeakMemUse (bytes)73,664 74,336 672 0.9%
Incl. PeakMemUse (bytes) per call 1,637 1,652 15 0.9%
Excl. PeakMemUse (bytes)96 96 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp0 N/A% -165 -1.2% 0 0.0% 672 2.4%
Exclusive Metrics Diff for Current Function-2 -1.2% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\ChainedFastBackend::getMultiple0 N/A% -165 -100.0% 0 N/A% 672 100.0%
Child function
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -163 -98.8% 0 N/A% 672 100.0%